Hi

You can exclude the ice rings easily in Mosflm - from the command line -

(a) Autoindexing -

        AUTOINDEX EXCLUDE ICE (but see user guide for more on this)

(b) Processing -

        RESOLUTION EXCLUDE ICE

Or if you try iMosflm, just check the button that says "exclude ice rings" (Indexing pane) or "Do not integrate near ice rings" (Processing pane).

These are good for hexagonal ice (what you probably have), but if you've got cubic (or other) ice, you need to exclude the rings by their explicit resolution.

On 15 Jul 2008, at 15:14, Mona Rahman wrote:

Hello all,

I have a query re: processing data. I have some lovely diffraction data that has been marred by ice rings (so...not as lovely as it could be). I was told it may be possible to mask the regions of the ice rings (obviously sacrificing completeness) during processing. I have been using HKL2000 to process data. Is this feature available with this program? Otherwise, we also have Mosfilm. Any advice would be greatly appreciated.

Thank you.

Sincerely in anticipation
Mona Rahman

---------------------------------------------------
Mona N. Rahman, Ph.D.
Dept. of Biochemistry/Pharmacology & Toxicology
Botterell Hall, Rooms 623 and 634 (lab)
Queen's University, Kingston, ON, K7L 3N6
Phone:  613-533-2993, 613-533-6293 (lab)
E-mail:  [EMAIL PROTECTED]


Harry
--
Dr Harry Powell, MRC Laboratory of Molecular Biology, MRC Centre, Hills Road, Cambridge, CB2 2QH




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